250502530009 has 2 divisors, whose sum is σ = 250502530010. Its totient is φ = 250502530008.

The previous prime is 250502530007. The next prime is 250502530063. The reversal of 250502530009 is 900035205052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 144403800025 + 106098729984 = 380005^2 + 325728^2 .

It is a cyclic number.

It is not a de Polignac number, because 250502530009 - 2¹ = 250502530007 is a prime.

Together with 250502530007, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (250502530007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125251265004 + 125251265005.

It is an arithmetic number, because the mean of its divisors is an integer number (125251265005).

Almost surely, 2^250502530009 is an apocalyptic number.

It is an amenable number.

250502530009 is a deficient number, since it is larger than the sum of its proper divisors (1).

250502530009 is an equidigital number, since it uses as much as digits as its factorization.

250502530009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13500, while the sum is 31.

The spelling of 250502530009 in words is "two hundred fifty billion, five hundred two million, five hundred thirty thousand, nine".